Patents by Inventor Evald Blach

Evald Blach has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4020773
    Abstract: The invention relates to a sluice for sluicing out clinker and ashes from a furnace, where the sluice is arranged in a residue shaft situated, for instance, at the end of a fuel-transporting grate in a furnace or at the end of a rotary kiln. The sluice is divided into an upper chamber and a lower chamber by a sluice flap which can pivot downwards, said lower chamber ending in a collecting compartment arranged at the bottom of the shaft, from where the clinker and ashes by means of a scraper are forced through an opening for further disposal.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: May 3, 1977
    Assignee: Aktieselskabet Volund
    Inventor: Evald Blach